Microstructure and wear resistance of in-situ synthesized stellate Mo2C reinforced WC/amorphous composite coatings by resistance seam welding (RSW)

被引：10
|
作者：
Wang, Wenqin [1 ]
Cai, Zhongzhi [1 ]
Li, Shen [1 ]
Wang, De [2 ]
Li, Yulong [1 ]
Luo, Dan [1 ]
Wu, Daoxin [1 ]
Fan, Xiaofei [1 ]
Yamaguchi, Tomiko [3 ]
机构：
[1] Nanchang Univ, Sch Adv Mfg, Nanchang 330031, Peoples R China
[2] Nanchang Hangkong Univ, Sch Aeronaut Mfg Engn, Nanchang 330063, Peoples R China
[3] Kyushu Inst Technol, Fac Engn, Tobata, Fukuoka 8040015, Japan
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 186卷
基金：
中国国家自然科学基金;
关键词：
Amorphous coating; Mo2C precipitates; Resistance seam processing; Wear resistance; PERFORMANCE; BEHAVIOR; STEEL;
D O I：
10.1016/j.triboint.2023.108599
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, in-situ synthesized stellate Mo2C reinforced WC/amorphous composite coatings have been prepared by resistance seam welding (RSW). The effects of WC-12Co amounts (0-30 wt%) on the microstructure, hardness, and wear properties of the composite coatings were performed using XRD, SEM-EDS, micro and nanoindentation techniques. The stellate Mo2C precipitates with a dispersion distribution were formed by the reaction between the carbon decomposed from WC-12Co and the Mo-rich region in the amorphous powder. The wear resistance of the C30 coating was 20.57 times that of the substrate respectively. The improved wear resistance was due to the metallurgical bonding between the uniformly distributed stellate Mo2C precipitates and the matrix, which weakened the adverse effects of WC peeling.
引用
收藏
页数：9
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